Cisco- 200-125-Cisco Certified Network Associate (CCNA v3.0)

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SAMPLE QUESTIONS

QUESTION: 1

In which two formats can the IPv6 address

fd15:0db8:0000:0000:0700:0003:400F:572B be written? (Choose two.)

A. fd15:0db8:0000:0000:700:3:400F:527B

B. fd15::db8::700:3:400F:527B

C. fd15:db8:0::700:3:4F:527B

D. fd15:0db8::7:3:4F:527B

E. fd15:db8::700:3:400F:572B

Answer: AE

Question: 2

When an interface is configured with PortFast BPDU guard, how does the

interface respond when it receives a BPDU?

A. It continues operating normally.

B. It goes into a down/down state.

C. It becomes the root bridge for the configured VLAN.

D. It goes into an errdisable state.

Answer: D

Question: 3

What are three characteristics of the TCP protocol? (Choose three.)

A. It uses a single SYN-ACK message to establish a connection.

B. The connection is established before data is transmitted.

C. It ensures that all data is transmitted and received by the remote device.

D. It supports significantly higher transmission speeds than UDP.

E. It requires applications to determine when data packets must be retransmitted.

F. It uses separate SYN and ACK messages to establish a connection.

Answer: BCF

Question: 4

What are three advantages of VLANs? (Choose three.)

A. They establish broadcast domains in switched networks.

B. They provide a low-latency internetworking alternative to routed networks.

C. They utilize packet filtering to enhance network security.

D. They can simplify adding, moving, or changing hosts on the network.

E. They allow access to network services based on department, not physical location.

F. They provide a method of conserving IP addresses in large networks.

Answer: ADE

Question: 5

Which command can you enter to determine whether serial interface 0/2/0 has

been configured using HDLC encapsulation?

A. router#show platform

B. router#show interfaces Serial 0/2/0

C. router#show ip interface s0/2/0

D. router#show ip interface brief

Answer: B

Question: 6

Which function of the IP SLAs ICMP jitter operation can you use to determine

whether a VoIP issue is caused by excessive end-to-end time?

A. packet loss

B. jitter

C. successive packet loss

D. round-trip time latency

Answer: D

Question: 7

Which condition does the err-disabled status indicate on an Ethernet interface?

A. There is a duplex mismatch.

B. The device at the other end of the connection is powered off.

C. The serial interface is disabled.

D. The interface is configured with the shutdown command.

E. Port security has disabled the interface.

F. The interface is fully functioning.

Answer: E

Question: 8

The network administrator normally establishes a Telnet session with the switch

from host A. However, host A is unavailable. The administrator's attempt to telnet

to the switch from host В fails, but pings to the other two hosts are successful.

What is the issue?

A. The switch interfaces need the appropriate IP addresses assigned.

B. Host В and the switch need to be in the same subnet.

C. The switch needs an appropriate default gateway assigned.

D. The switch interface connected to the router is down.

E. Host В needs to be assigned an IP address in VLAN 1.

Answer: C

Question: 9

Which statement about RADIUS security is true?

A. It supports EAP authentication for connecting to wireless networks.

B. It provides encrypted multiprotocol support.

C. Device-administration packets are encrypted in their entirety.

D. It ensures that user activity is fully anonymous.

Answer: A

Question: 10

Which of these statements correctly describes the state of the switch once the boot process has been completed?

A. The switch will need a different IOS code in order to support VLANs and STР. B. Remote access management of this switch will not be possible without

configuration change. C. As FastEthernet0/12 will be the last to come up, it will be blocked by STP. D. More VLANs will need to be created for this switch.

Answer: B

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